168359213 has 16 divisors (see below), whose sum is σ = 189834624. Its totient is φ = 147965760.

The previous prime is 168359203. The next prime is 168359227. The reversal of 168359213 is 312953861.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 168359213 - 2²⁶ = 101250349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168359203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66731 + ... + 69207.

It is an arithmetic number, because the mean of its divisors is an integer number (11864664).

Almost surely, 2^168359213 is an apocalyptic number.

It is an amenable number.

168359213 is a deficient number, since it is larger than the sum of its proper divisors (21475411).

168359213 is a wasteful number, since it uses less digits than its factorization.

168359213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2692.

The product of its digits is 38880, while the sum is 38.

The square root of 168359213 is about 12975.3309399028. The cubic root of 168359213 is about 552.1778257242.

The spelling of 168359213 in words is "one hundred sixty-eight million, three hundred fifty-nine thousand, two hundred thirteen".